Top SEO Factors




Top SEO Factors - 2021-11-10      Previous - Next

Understanding The Top Factors Data

We measure up to 2100 possible SEO factors and we use both Spearman's and Pearson's correlation coefficients to help identify likely ranking factors that may be contributing to the sort order of the search results. To date this method has been highly successful in helping top SEOs rank pages. The factors you see in this report are the strongest correlations of the 2100 factors. We continue to measure all possible factors because we don't know which factors will stop working or which factors will start working again. We still suspect we don't know all the factors. So in general, if it is measurable and plausible we will measure it going forward.

Keywords

Any of the keyword variations, including the exact match, Google makes bold in the search results.

Search Terms

The exact match search terms you used in Google.

Entities

Any term that has a wikipedia page, GMB, MREID. These are nouns that Google's AI understands topically.

LSI Words

An industry misnomer. These tend to generally be statistically discovered entities. No two implementations of LSI are the same. SEOs use LSI words when entity recognition isn't available in their language. The lists tend to have a lot of overlap and they are used the same... just sprinkle them in your content.

Search Result

If a factor name mentions "Search Result" then that factor is measuring something about how the page is presented in the Google search results.

#1 Max Column

The maximum measurement found in the #1 position in Google.

Page 1 Avg Column

The average page 1 average across thousands of keywords in Google.

Keywords Column

The percentage of thousands of keywords that this factor was a strong correlation for.

Why are you sharing such valuable information?

We share the information because it helps our industry learn about SEO. The measurement facts about how pages in the number one rank position are tuned typically break people's belief-based assumptions about how search works. This information is very inefficient for SEO in general. People still need Cora SEO Software because the amount of each factor you need to compete will change from keyword to keyword and URL to URL. So the information in this report might be good for some keywords but it might be too little or too much for other keywords. At the end of the day SEO is about ranking efficiently, especially if you are a professional full time SEO. Tuning your page to the correct amount for your keyword competitors is the key to efficient SEO.

Some factors aren't meant to be tuned.

Some factors on this list are meant to inform us if Google is using certain algorithms or parts of algorithms. If you generally have no idea how to tune for something then skip it or go learn about it. If there are HTML tags, HTML attributes, or Schema Objects you don't know then please look them up before contacting us. W3Schools HTML Reference, Schema.org Reference


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Top SEO Factors - 2021-11-10 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used6325-0.30-0.6373.83%
2CPZZZNumber of Factors Used209136-0.25-0.5289.19%
3CP470Keywords in the HTML Tag38,261184-0.24-0.5295.34%
4CP061Ahrefs Referring Class C Addresses43238-0.24-0.4019.11%
5CP063Ahrefs Referring IP Addresses1,27551-0.24-0.3919.11%
6CPX010Keywords in Div Tags22,921129-0.24-0.5195.11%
7CP062Ahrefs Referring Domains1,17352-0.23-0.3819.23%
8CP059Ahrefs Rank3915-0.23-0.4915.81%
9CP067Ahrefs Text Backlinks1,191,1206,072-0.23-0.3318.77%
10CP002Ahrefs Backlinks1,191,1246,062-0.23-0.3318.89%
11CP064Ahrefs Referring Pages1,191,1236,062-0.23-0.3318.89%
12CP134Keywords in Body Tag28,871153-0.23-0.5295.11%
13CP054Ahrefs NoFollow Backlinks12,557242-0.23-0.3718.66%
14CP475Term Frequency115-0.23-0.4994.08%
15LSI002LSI Words in Sentences2,731496-0.22-0.4896.13%
16CP129Keywords in A Tags5,15829-0.22-0.4794.77%
17CP161Keywords in H1-H6 Tags317-0.22-0.4991.70%
18CP465Keywords in P Tags19630-0.22-0.4991.70%
19CP157Keywords in H1, H2, and H3 Tags276-0.22-0.4891.01%
20CP004Ahrefs Dofollow Backlinks1,187,8815,824-0.21-0.3218.43%
21CP153Keywords in H1 and H2 Tags154-0.21-0.4889.99%
22ENT009Entities in Title Tag62-0.21-0.5069.51%
23ENT003Entities in H2 Tags295-0.21-0.5070.65%
24CP097Search Result Link Text Matches31-0.21-0.5080.66%
25CP071Search Result Display URL Matches31-0.21-0.5080.66%
26CP469Keywords in Sentences14221-0.21-0.4588.28%
27CP375Keywords in LI Tags12717-0.21-0.4794.77%
28CP127Keywords in A Tag HREFs2,23145-0.21-0.4592.26%
29CP127bKeywords in Unique A Tag HREFs1,62330-0.20-0.4477.93%
30ENT018Entities in Sentences42784-0.20-0.4297.27%
31CKWD001Clean Keyword Density in the HTML Tag2034-0.20-0.4574.40%
32CP135Body Tag Size Kilobytes29584-0.20-0.4791.47%
33CP458Page Size Kilobytes411149-0.20-0.5088.05%
34CPXX888Number of HTML Tags2,937911-0.20-0.4988.74%
35CP481Keywords in Title Tag42-0.20-0.4782.03%
36CP165Keywords in H2 Tags123-0.19-0.4789.08%
37ENT004Entities in H3 Tags225-0.19-0.4871.44%
38GD001Google Variation Density3343-0.19-0.4669.62%
39CP999Search Result Path Matches41-0.19-0.4871.10%
40CP465cKeywords in script Tags5,23436-0.19-0.4793.06%
41ENT001Entities in HTML Tag3,882299-0.19-0.4097.38%
42CP160Leading Keywords in H1-H6 Tags282-0.19-0.4490.22%
43DD010DomDetailer Majestic Referring Subnets64,41615,578-0.19-0.2728.78%
44CP492bUnabridged Word Count6,7851,720-0.19-0.4091.24%
45CP128Keywords in Alt Attributes638-0.19-0.4289.76%
46CP140Clean Text Kilobytes3911-0.19-0.4090.67%
47LSI001LSI Words in Title Tag145-0.19-0.4390.33%
48CP134aSearch Terms in Body Tag15012-0.18-0.4390.90%
49DD006DomDetailer Majestic IPs218,07057,453-0.18-0.2629.58%
50CP019Ahrefs Has DoFollow Backlinks11-0.18-0.4918.20%
51CP492Word Count5,1071,326-0.18-0.4090.10%
52CP156Leading Keywords in H1, H2, and H3 Tags221-0.18-0.4389.87%
53DD008DomDetailer Majestic Referring Domains1,796,281362,403-0.18-0.2630.03%
54DD015DomDetailer Moz PA6943-0.18-0.4527.30%
55CP471Keywords in Span Tags4269-0.18-0.4091.58%
56CP381Keywords in Meta Descriptions42-0.18-0.4584.30%
57DD005DomDetailer Majestic CF6137-0.18-0.4328.67%
58CP425Number of HTTPS Links581150-0.17-0.4187.26%
59GD003Google Density Variations7,75249-0.17-0.4164.51%
60CP108Search Result Summary Length412162-0.17-0.4187.37%
61CP470aSearch Terms in the HTML Tag1818-0.17-0.4187.37%
62CP146Keywords in the First 100 Words2037-0.17-0.4277.36%
63DD013DomDetailer Moz DA8444-0.17-0.4126.85%
64CP070Ahrefs Word Count4,4241,372-0.17-0.3913.31%
65CP124aKeywords in Absolute URLs5,62749-0.17-0.3987.83%
66ENT008Entities in Meta Description Tag82-0.17-0.4565.30%
67CPXR24Number of P Tags19736-0.17-0.4182.59%
68CP431Number of Internal Links583141-0.17-0.4086.58%
69CP468Number of Sentences24250-0.17-0.3883.62%
70CP113Search Result URL Matches51-0.17-0.4380.09%
71CP435Number of Links590158-0.17-0.4086.35%
72LSI006LSI Words in H2 Tags6313-0.17-0.4191.81%
73CP045Ahrefs Has Text Backlinks11-0.17-0.4718.43%
74CP137Keywords in the Canonical URL41-0.17-0.4382.71%
75CP048Ahrefs Image Backlinks10,403201-0.17-0.3116.72%
76CP032Ahrefs Has Image Backlinks10-0.17-0.4315.47%
77CP410Number of DoFollow Links566151-0.17-0.3986.35%
78DD012DomDetailer Majestic TF6228-0.17-0.3828.21%
79CP017Ahrefs Has Backlinks11-0.17-0.4717.97%
80CPXR018Keywords in Nav Tags6,35223-0.17-0.4189.31%
81DD002DomDetailer Facebook Shares9,819,568-282,583-0.17-0.2729.24%
82CP152Keywords in H1 Tags131-0.17-0.4178.61%
83DD016DomDetailer Moz Rank85-0.17-0.4026.85%
84CP038Ahrefs Has NoFollow Backlinks11-0.17-0.4618.32%
85CPXR003Number of Heading Tags5020-0.16-0.4183.85%
86CP476TF/IDF11-0.16-0.4682.14%
87ENT005Entities in H4 Tags122-0.16-0.4363.59%
88CP159aSearch Terms in H1-H6 Tags101-0.16-0.4188.28%
89CP426Number of Images9929-0.16-0.3785.89%
90CP109Search Result Summary Text Matches62-0.16-0.4475.20%
91CP383Keywords in Meta OpenGraph Description51-0.16-0.4180.32%
92ENT002Entities in H1 Tags62-0.16-0.4062.68%
93CP005Ahrefs Domain Rating7839-0.16-0.3915.24%
94CP484Leading Keywords in Title Tag10-0.16-0.4577.02%
95CP169Keywords in H3 Tags822-0.16-0.3989.53%
96CPX003Keywords in Main Tags12,54956-0.16-0.4585.44%
97CP385Keywords in Meta OpenGraph Content31-0.16-0.4277.25%
98DD007DomDetailer Majestic Links99,759,6468,396,723-0.16-0.1729.47%
99LSI003LSI Words in Meta Description Tag348-0.16-0.3989.99%
100CP151Leading Keywords in H1 Tags10-0.16-0.4380.32%
101CP072Search Result Document Matches61-0.16-0.4166.55%
102DD014DomDetailer Moz Links93,672,77217,111,029-0.16-0.2429.35%
103CP427Number of Images with Alt Text7519-0.16-0.3787.14%
104ENT013Has Entities in H2 Tags11-0.16-0.4664.16%
105QS004Number of Questions In Headings51-0.15-0.3737.43%
106CP050Ahrefs Internal Links37797-0.15-0.3419.23%
107CP391Number of Absolute URLs400137-0.15-0.3783.28%
108QS003Number of Questions274-0.15-0.3678.84%
109CP472Keywords making whole Span Tags71-0.15-0.3986.80%
110GD004Google Density Exact Matches422-0.15-0.3962.46%
111CPXR005Number of H2 Tags176-0.15-0.3784.19%
112CP358Inline Javascript Kilobytes15732-0.15-0.3581.23%
113CP483aSearch Terms in the Title Tag10-0.15-0.4177.47%
114ENT010Title Tag Has Entities11-0.15-0.4256.54%
115CP057Ahrefs Page Size81,04928,476-0.15-0.3312.63%
116LSI007LSI Words in H3 Tags7213-0.15-0.3591.58%
117CP125Keywords making whole A Tags41-0.15-0.3784.53%
118CPX013Keywords in Footer Tags3,8099-0.15-0.3683.16%
119CP374Keywords in the last 100 words2024-0.15-0.3778.73%
120LSI005LSI Words in H1 Tags164-0.15-0.3586.69%
121CP158Keywords making whole H1-H6 Tags40-0.15-0.4181.11%
122CP477Keywords in Title Attributes2638-0.14-0.3788.28%
123CP007Ahrefs External Links10617-0.14-0.3118.20%
124CP164Leading Keywords in H2 Tags71-0.14-0.3886.35%
125CP376Keywords making whole LI Tags41-0.14-0.3884.98%
126CPJLDxSANumber Of JSON-LD Types628-0.14-0.3672.81%
127CP126aSearch Terms in A Tags392-0.14-0.3687.37%
128CP467Keywords in Section Tags89015-0.14-0.3982.59%
129DD011DomDetailer Majestic Referring .gov Links20,976,5833,631,725-0.14-0.2727.53%
130ENT014Has Entities in H3 Tags10-0.14-0.4261.66%
131CP413Number of External Links5717-0.14-0.3278.50%
132CPXR006Number of H3 Tags257-0.14-0.3385.55%
133CP056Ahrefs Pages51-0.14-0.3018.09%
134CP177Keywords in H4-H6 Tags431-0.14-0.3781.34%
135CP473Keywords in Strong Tags972-0.14-0.3778.38%
136CP154Keywords making whole H1, H2, and H3 Tags10-0.14-0.3980.43%
137CP173Keywords in H4 Tags351-0.14-0.3781.34%
138CP049Ahrefs Images7021-0.14-0.3312.86%
139CP052Ahrefs Linked Root Domains206-0.14-0.3419.34%
140CP353Head Size Kilobytes11939-0.14-0.3476.45%
141ENT012Has Entities in H1 Tags11-0.14-0.4057.34%
142CP130Keywords in Article Tags14817-0.14-0.3973.27%
143CP357Inline CSS Kilobytes7426-0.13-0.3677.93%
144QS012Headings Has Question10-0.13-0.4172.92%
145CP409Number of DoFollow External Links4914-0.13-0.2976.00%
146CP380Meta Description Length471127-0.13-0.3372.58%
147CP469aSearch Terms in Sentences181-0.13-0.3387.49%
148ENT011Meta Description Tag Has Entities11-0.13-0.4056.77%
149CP104zSearch Result Has Publish Date11-0.13-0.403.53%
150CP481bWord Count in Meta Description Tag8820-0.13-0.3472.47%
151ENT015Has Entities in H4 Tags10-0.13-0.4054.95%
152CP213Has FavIcon11-0.13-0.3968.94%
153CP114Search Result Uses HTTPS11-0.13-0.3868.37%
154CP150aSearch Terms in H1 Tags10-0.13-0.3578.16%
155CP034Ahrefs Has Internal Links11-0.13-0.3916.72%
156CP139Keywords in Class Attributes6,49111-0.13-0.3481.68%
157QS006Number of Questions In H2 Tags20-0.13-0.3476.00%
158CP377Load Time Milliseconds28,8912,509-0.13-0.2670.76%
159DD001DomDetailer Facebook Comments26627-0.13-0.3323.32%
160CP022Ahrefs Has External Links11-0.13-0.3816.15%
161CP440Number of NoFollow Links327-0.13-0.3080.20%
162CP099Search Result Number of Dirs in Path32-0.13-0.3361.55%
163CPJLD011Has JSON-LD Answer10-0.13-0.3955.75%
164CPJLD217Has JSON-LD Question10-0.13-0.3955.40%
165CP451Number of US Phone Numbers1427-0.12-0.3275.65%
166CP168Leading Keywords in H3 Tags131-0.12-0.3482.03%
167CP444Number of Social Accounts61-0.12-0.3272.24%
168CPXR007Number of H4 Tags224-0.12-0.3177.36%
169CP036Ahrefs Has Linked Root Domains11-0.12-0.3816.95%
170CP355Keywords in ID Attributes4891-0.12-0.3383.96%
171CP077Search Result Domain Matches50-0.12-0.3548.81%
172CP460Percentage of DoFollow Internal Links9480-0.12-0.3271.67%
173CP149Keywords making whole H1 Tags10-0.12-0.3678.50%
174CP424Number of HREF Lang Tags122-0.12-0.3474.86%
175CP313Has Privacy Policy11-0.12-0.3773.27%
176QS007Number of Questions In H3 Tags31-0.12-0.3474.63%
177LSI008LSI Words in H4 Tags446-0.12-0.3284.41%
178CPJLDxCBNumber Of Claimed Brands71-0.12-0.3562.91%
179CP176Leading Keywords in H4-H6 Tags70-0.12-0.3575.77%
180CP445Number of Social Pages133-0.12-0.2772.81%
181CP150a2Search Terms in H2 Tags70-0.12-0.3385.21%
182CP309Has OpenGraph Image11-0.12-0.3760.18%
183CP356Keywords in I Tags802-0.12-0.3378.50%
184CP432Number of JavaScript Includes3014-0.12-0.3067.35%
185CP428Number of Images without Alt Text3810-0.12-0.2876.91%
186CP060Ahrefs Redirects46310-0.12-0.3116.04%
187CP430Number of Instagram Pages141-0.12-0.2874.63%
188CP439Number of NoFollow Externa Links173-0.12-0.3280.43%
189CPJLD007Has JSON-LD AggregateRating10-0.12-0.3859.95%
190CP479iiTitle Has Sentiment Words10-0.12-0.3570.76%
191CPXR011Keywords in Button Tags3901-0.12-0.3479.86%
192CP418Number of Forms152-0.12-0.3171.44%
193CP204Has Canonical URL11-0.12-0.3671.79%
194CP207Has Contact Page11-0.12-0.3760.64%
195CP172Leading Keywords in H4 Tags50-0.12-0.3574.06%
196CP415Number of FaceBook Pages82-0.12-0.2870.88%
197CP454Number of YouTube Accounts20-0.12-0.3269.28%
198CP479Title Has Sales Words10-0.12-0.3471.44%
199CP381aSearch Terms in Meta Descriptions10-0.12-0.3481.91%
200CP225Has Meta Description11-0.12-0.3666.21%


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